Wash the potatoes and cook in boiling water for about 20 minutes. Clean, wash and cut the leek into rings. Bring 1/4 litre of water to the boil, stir in broth. Cook the leek for about 5 minutes, drain and collect the stock. Mix stock, vinegar, salt, pepper and sugar. Whip the oil into it.
Put beans on a sieve, rinse and drain. Drain potatoes, rinse with cold water, peel and slice. Mix the beans, leek, potatoes and salad dressing in a bowl and leave to stand for a while. Clean, wash and drain the oak leaf salad and pluck into bite-sized pieces. Cut cheese slices into pieces. Add lettuce and cheese to the potato salad and season again
Per portion 1680 kJ/ 400 kcal. E 19 g/ F 16 g/ KH 45 g